HECCell.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "LArReadoutGeometry/HECCell.h"
#include "LArHV/HECHVManager.h"
#include "LArHV/HECHVModule.h"
#include "LArHV/HECHVDescriptor.h"
 
HECCell::~HECCell()
= default;
 
 
unsigned int HECCell::getNumSubgaps() const {
  return getSubgaps().size();
}
 
const HECHVSubgap& HECCell::getSubgap (unsigned int i) const {
  return *getSubgaps()[i];
}
 
 
const std::vector<const HECHVSubgap*>&
HECCell::getSubgaps() const
{
  if (!m_subgaps.isValid()) {
    std::vector<const HECHVSubgap*> subgaps;
    initHV (subgaps);
    m_subgaps.set (std::move (subgaps));
  }
  return *m_subgaps.ptr();
}
 
 
void HECCell::initHV (std::vector<const HECHVSubgap*>& subgaps) const
{
  const HECHVManager& hvManager=getDescriptor()->getManager()->getHVManager();
 
 
  unsigned int iSide=getEndcapIndex();
 
  double phiUpper = getPhiMaxNominal();
  double phiLower = getPhiMinNominal();
  double phi=fabs(phiUpper+phiLower)/2.0;
  const CellBinning & phiBinning=hvManager.getDescriptor().getPhiBinning();
  unsigned int iPhi = int((phi - phiBinning.getStart())/phiBinning.getDelta()) + phiBinning.getFirstDivisionNumber();
 
  unsigned int iSampling=getSamplingIndex();
 
  const HECHVModule& hvMod = hvManager.getHVModule(iSide,iPhi,iSampling);
  for (unsigned int iSubgap=0;iSubgap<4;iSubgap++) {
    subgaps.push_back(&hvMod.getSubgap(iSubgap));
  }
}